<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			/*
			带有颜色的就是父级内容区域大小
			*/
			.a{
				font-size: 16px;
				border: 1px solid;
			}
			.a span{
				
				background-color: #00FFFF;
			}
			img{
				/* vertical-align: text-top; */
				vertical-align: text-bottom;
			}
		</style>
	</head>
	<body>
		<div class="a">
			<img src="../img/1.jpg" width="200" >
			<span>16px</span>
		</div>
	</body>
</html>
